Lining up at defensive end, Roseboro was dominant during one-on-one's and displayed the strength and athleticism in drills that makes him arguably the state's top prospect.
"I think I did good," he said. "I didn't lose a one-on-one and I didn't lose in run-stops. I didn't slack any and gave it my all.
"I know they can take any five, so I know it's going to be slim."
Roseboro's motor is always running, but he also displayed a focus that others seemed to lack. Simply put, he wanted to prove a point.
"It just comes from working hard," he said. "You have people sleeping on North Carolina defensive linemen. They haven't heard a lot about defensive linemen in North Carolina lately, so I'm trying to show them that the defensive line in North Carolina is where it's at."
Measuring in at 6-foot-4 and 280 pounds, Roseboro says that teams are currently recruiting him to play defensive end, but he has the versatility to slide inside to defensive tackle on obvious passing downs.
His most recent visit was to South Carolina.
"It was pretty good," he said. "I was pretty impressed. I spent most of the day with Deke Adams. I was on campus, and I got a feel for the people down there, the atmosphere."
A four-star recruit, Roseboro holds dozens of offers and last month cut his list to ten schools: NC State, Michigan, Clemson, Tennessee, Ohio State, Florida, LSU, UNC, Alabama, and Duke.
The plan is now to cut it down to five before making a decision in August.
"I'm going to make a top five in a couple of weeks," said Roseboro. "I'll put that out on Twitter. It's tough because all of the schools are still recruiting me really hard."
One of those schools is NC State, a program that Roseboro says he plans to visit in the next month. What does he like about the Wolfpack?
"It's the coaching staff," he stated. "I like those guys a lot. Plus, the class they got the year before, and what I'd have to work with when I got there.
"The coaches, they aren't all about football. They talk about football and about just having fun out there."
One factor will be pivotal for Roseboro when it's his time to make a decision.
"The biggest factor for me will be where do I feel the most comfortable," he said. "That's where I will go."